Non-commutativity in the brain

Article Abstract:

The idea that there are non-commutative operators in the brain circuits dealing with rotations is controversial, as no study as clearly ruled out all commutative models. Non-commutative computation is demonstrated in the vestibulo-ocular reflex. Subjects rotated in darkness could hold their gaze points stable and correctly compute different final eye position commands, in a way that cannot be attained by any commutative system.

Usage, Vestibulo-ocular reflex, Commutative algebra

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Optimal transaccadic integration explains distorted spaital perception

Article Abstract:

Analysis of a visuomotor system that realistically models eye movement is examined to determine the mechanics of spatial perception. Correlations between less-precise eye movements and level of saccadic suppression of displacement are noted, suggesting that the brain optimally integrates sensory and motor information to form its perception of the world.

Science & research, Analysis, Eye, Eye movements, Space perception, Physiological research

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The motor side of depth vision

Article Abstract:

Research is presented concerning the motor control which is required for the achievement of stereoscopic vision. The use of a stereogram to determine the retina-fixed nature of the brain's search zones is discussed.

Physiological aspects, Brain, Letter to the Editor, Vision

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